Lemon is a dicotyledonous plant, belonging to Rutaceae Citrus, also known as lemon fruit, foreign lemon, beneficial mother fruit and so on. It is a small tree with little or no thorns, with dark purple leaves and flower buds, thick paper leaves, oval or oval;

Lemon is rich in vitamin C, sugar, calcium, phosphorus, iron, vitamin B 1, vitamin B2, nicotinic acid, quinic acid, citric acid, malic acid, hesperidin, naringin and coumarin, with high potassium and low sodium, which is very beneficial to human body.

It is axillary or clustered, with few flowers, oval or ovoid fruit, thick skin, usually rough, lemon yellow, sour juice to very sour, small seeds, oval and pointed; Seed coat is smooth, cotyledons are milky white, usually single embryo or multi-embryo;

Lemon leaves can be used to extract spices, and fresh lemon peel can produce lemon essential oil, which is not only an important raw material for producing high-grade cosmetics, but also an important component for producing drugs for treating lithiasis.

Fruit embryo can produce pectin and hesperidin. Pectin is not only an important raw material for producing high-grade candy, preserves and jam, but also can be used to produce drugs for treating stomach diseases. Seeds can be used to extract high-grade edible oil or used as medicine, and are important raw materials for processing green products. Lemon can be used as lemonade and lemon honey, which has whitening effect.

Extended data:

Because of its extremely sour taste, lemon is the favorite food for pregnant women with insufficient liver qi, so it is called beneficial mother fruit or beneficial mother and child. Lemon is rich in citric acid, so it is called "citric acid warehouse".

Its juice is crispy and fragrant. Because of its sour taste, it can only be used as a superior seasoning to prepare drinks, dishes, cosmetics and medicines;

Lemon is rich in vitamin C and vitamin P, which can enhance the elasticity and toughness of blood vessels and prevent and treat hypertension and myocardial infarction. Green lemon also contains an insulin-like ingredient, which can reduce abnormal blood sugar levels.

It can eliminate phlegm, relieve cough, promote fluid production and strengthen stomach, and can be used for bronchitis, whooping cough, anorexia, vitamin deficiency, heatstroke and polydipsia. It is the bane of scurvy.

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